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compression support for HTTP exporter
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130 changes: 130 additions & 0 deletions
130
Tests/ExportersTests/OpenTelemetryProtocol/OtlpHttpExporterBaseTests.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| // | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
|
|
||
| import Foundation | ||
| #if canImport(FoundationNetworking) | ||
| import FoundationNetworking | ||
| #endif | ||
| import Logging | ||
| import NIO | ||
| import NIOHTTP1 | ||
| import NIOTestUtils | ||
| import OpenTelemetryApi | ||
| import OpenTelemetryProtocolExporterCommon | ||
| import DataCompression | ||
| @testable import OpenTelemetryProtocolExporterHttp | ||
| @testable import OpenTelemetrySdk | ||
| import XCTest | ||
|
|
||
| class OtlpHttpExporterBaseTests: XCTestCase { | ||
|
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| var exporter: OtlpHttpExporterBase! | ||
| var spans: [SpanData] = [] | ||
|
|
||
| override func setUp() { | ||
| super.setUp() | ||
|
|
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| spans = [] | ||
| let endpointName1 = "/api/foo" + String(Int.random(in: 1...100)) | ||
| let endpointName2 = "/api/bar" + String(Int.random(in: 100...500)) | ||
| spans.append(generateFakeSpan(endpointName: endpointName1)) | ||
| spans.append(generateFakeSpan(endpointName: endpointName2)) | ||
| } | ||
|
|
||
| // Test for .gzip compression | ||
| func testCreateRequestWithGzipCompression() { | ||
| let config = OtlpConfiguration(compression: .gzip) | ||
|
|
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| exporter = OtlpHttpExporterBase( | ||
| endpoint: URL(string: "http://example.com")!, | ||
| config: config | ||
| ) | ||
|
|
||
| let body = Opentelemetry_Proto_Collector_Trace_V1_ExportTraceServiceRequest.with { | ||
| $0.resourceSpans = SpanAdapter.toProtoResourceSpans(spanDataList: spans) | ||
| } | ||
|
|
||
| let request = exporter.createRequest(body: body, endpoint: URL(string: "http://example.com")!) | ||
|
|
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| /// gzip | ||
| let data = try! body.serializedData().gzip() | ||
|
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| // Verify Content-Encoding header is set to "gzip" | ||
| XCTAssertEqual(request.value(forHTTPHeaderField: "Content-Encoding"), "gzip") | ||
| XCTAssertNotNil(request.httpBody) | ||
| XCTAssertEqual(request.httpBody!.count, data!.count) | ||
| } | ||
|
|
||
| // Test for .deflate compression | ||
| func testCreateRequestWithDeflateCompression() { | ||
| let config = OtlpConfiguration(compression: .deflate) | ||
|
|
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| exporter = OtlpHttpExporterBase( | ||
| endpoint: URL(string: "http://example.com")!, | ||
| config: config | ||
| ) | ||
|
|
||
| let body = Opentelemetry_Proto_Collector_Trace_V1_ExportTraceServiceRequest.with { | ||
| $0.resourceSpans = SpanAdapter.toProtoResourceSpans(spanDataList: spans) | ||
| } | ||
|
|
||
| let request = exporter.createRequest(body: body, endpoint: URL(string: "http://example.com")!) | ||
|
|
||
| /// deflate | ||
| let data = try! body.serializedData().deflate() | ||
|
|
||
| // Verify Content-Encoding header is set to "deflate" | ||
| XCTAssertEqual(request.value(forHTTPHeaderField: "Content-Encoding"), "deflate") | ||
| XCTAssertNotNil(request.httpBody) | ||
| XCTAssertEqual(request.httpBody!.count, data!.count) | ||
| } | ||
|
|
||
| // Test for .none compression (no compression) | ||
| func testCreateRequestWithNoCompression() { | ||
| let config = OtlpConfiguration(compression: .none) | ||
|
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| exporter = OtlpHttpExporterBase( | ||
| endpoint: URL(string: "http://example.com")!, | ||
| config: config | ||
| ) | ||
|
|
||
| let body = Opentelemetry_Proto_Collector_Trace_V1_ExportTraceServiceRequest.with { | ||
| $0.resourceSpans = SpanAdapter.toProtoResourceSpans(spanDataList: spans) | ||
| } | ||
|
|
||
| let request = exporter.createRequest(body: body, endpoint: URL(string: "http://example.com")!) | ||
|
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| let data = try! body.serializedData() | ||
|
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| // Verify Content-Encoding header is set to "deflate" | ||
| XCTAssertEqual(request.value(forHTTPHeaderField: "Content-Encoding"), nil) | ||
| XCTAssertNotNil(request.httpBody) | ||
| XCTAssertEqual(request.httpBody!.count, data.count) | ||
| } | ||
|
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||
| private func generateFakeSpan(endpointName: String = "/api/endpoint") -> SpanData { | ||
| let duration = 0.9 | ||
| let start = Date() | ||
| let end = start.addingTimeInterval(duration) | ||
| let testattributes: [String: AttributeValue] = ["foo": AttributeValue("bar")!, "fizz": AttributeValue("buzz")!] | ||
|
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| var testData = SpanData(traceId: TraceId.random(), | ||
| spanId: SpanId.random(), | ||
| name: "GET " + endpointName, | ||
| kind: SpanKind.server, | ||
| startTime: start, | ||
| endTime: end, | ||
| totalAttributeCount: 2) | ||
| testData.settingAttributes(testattributes) | ||
| testData.settingTotalAttributeCount(2) | ||
| testData.settingHasEnded(true) | ||
| testData.settingTotalRecordedEvents(0) | ||
| testData.settingLinks([SpanData.Link]()) | ||
| testData.settingTotalRecordedLinks(0) | ||
| testData.settingStatus(.ok) | ||
|
|
||
| return testData | ||
| } | ||
| } |